[Campbell Biology P.1033] According to Figure 44.9, which two cellular components primarily i... | Practice Question

According to Figure 44.9, which two cellular components primarily interlock to form the filtration membrane within a flame bulb?

  • A: Capillary and Excretory tubule
  • B: Tubule cell and Cap cell
  • C: Cilia and Interstitial fluid
  • D: Flame bulb and Opening in body wall

Explanation

Figure 44.9 explicitly labels the 'Cap cell' and 'Tubule cell' as the components that interlock to form the filtration membrane within the flame bulb. The caption also states, 'interstitial fluid filters through the membrane where the cap cell and tubule cell interlock.'